JP6838649B2 - 収音装置および収音方法 - Google Patents

収音装置および収音方法 Download PDF

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Publication number
JP6838649B2
JP6838649B2 JP2019506898A JP2019506898A JP6838649B2 JP 6838649 B2 JP6838649 B2 JP 6838649B2 JP 2019506898 A JP2019506898 A JP 2019506898A JP 2019506898 A JP2019506898 A JP 2019506898A JP 6838649 B2 JP6838649 B2 JP 6838649B2
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Prior art keywords
sound
signal
control unit
level control
microphone
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JP2019506898A
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Japanese (ja)
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JPWO2018173267A1 (ja
Inventor
訓史 鵜飼
訓史 鵜飼
窒登 川合
窒登 川合
未輝雄 村松
未輝雄 村松
井上　貴之
貴之 井上
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Yamaha Corp
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Yamaha Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/004—Monitoring arrangements; Testing arrangements for microphones
    • H04R29/005—Microphone arrays
    • H04R29/006—Microphone matching
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/005—Circuits for transducers for combining the signals of two or more microphones
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0264—Noise filtering characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
    • G10L25/51—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2410/00—Microphones
    • H04R2410/01—Noise reduction using microphones having different directional characteristics

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • General Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Computational Linguistics (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP2019506898A 2017-03-24 2017-03-24 収音装置および収音方法 Active JP6838649B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2017/012071 WO2018173267A1 (fr) 2017-03-24 2017-03-24 Dispositif de capture de son et procédé de capture de son

Publications (2)

Publication Number Publication Date
JPWO2018173267A1 JPWO2018173267A1 (ja) 2020-01-23
JP6838649B2 true JP6838649B2 (ja) 2021-03-03

Family

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Family Applications (1)

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JP2019506898A Active JP6838649B2 (ja) 2017-03-24 2017-03-24 収音装置および収音方法

Country Status (5)

Country Link
US (1) US10979839B2 (fr)
EP (2) EP3905718B1 (fr)
JP (1) JP6838649B2 (fr)
CN (1) CN110495184B (fr)
WO (1) WO2018173267A1 (fr)

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JP6849055B2 (ja) * 2017-03-24 2021-03-24 ヤマハ株式会社 収音装置および収音方法
EP3905718B1 (fr) 2017-03-24 2024-03-13 Yamaha Corporation Dispositif et procédé de capture de son
JP7404664B2 (ja) * 2019-06-07 2023-12-26 ヤマハ株式会社 音声処理装置及び音声処理方法
US11197090B2 (en) * 2019-09-16 2021-12-07 Gopro, Inc. Dynamic wind noise compression tuning
JP7351193B2 (ja) * 2019-11-21 2023-09-27 日本電気株式会社 音響特性測定システム、音響特性測定方法、および音響特性測定プログラム
CN112634934B (zh) * 2020-12-21 2024-06-25 北京声智科技有限公司 语音检测方法及装置
CN114979902B (zh) * 2022-05-26 2023-01-20 珠海市华音电子科技有限公司 一种基于改进的变步长ddcs自适应算法的降噪拾音方法

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Also Published As

Publication number Publication date
EP3606090A1 (fr) 2020-02-05
EP3606090A4 (fr) 2021-01-06
EP3905718A1 (fr) 2021-11-03
CN110495184B (zh) 2021-12-03
US20200021932A1 (en) 2020-01-16
WO2018173267A1 (fr) 2018-09-27
JPWO2018173267A1 (ja) 2020-01-23
EP3905718B1 (fr) 2024-03-13
CN110495184A (zh) 2019-11-22
US10979839B2 (en) 2021-04-13

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